Computer speaker



FIG. 1 is a top, front and left side perspective view of a computer speaker showing my new design;

FIG. 2 is a left side elevational view, the right side being a mirror image;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view; and,

FIG. 6 is a top plan view. 

The ornamental design for a computer speaker, as shown and described. 